{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "METHOD : Medically healthy 7 - to 17 - year - old males chronically treated , in a naturalistic setting , with risperidone were recruited for this cross - sectional study through child psychiatry outpatient clinics between November 2005 and June 2007 ."}
{"Chemical": ["risperidone"], "Disease": []}